2:1 1 : 1, 1.4: 1,
2: 1,
4: 1, 8:1
RATIO determines the amount of compression that
the audio signal is compressed when exceeding the
threshold. The setting of 4 : 1 for example relates to
a reduction of the audio signal by the factor 4.
BYPASS switches the compressor on (button is not
engaged) or off (button is engaged). This allows
quick A / B-comparison of the compressed and non-
compressed audio signals.
Limiter Parameters
Element Default Range Description
A click with the right mouse button on this field
opens the Copy & Paste menu, which allows copying
all limiter parameters of the corresponding channel
to any other channels within the same project.
21 dBu -9.0...+21.0
dBu or
0.27...8.70
V
THRESHOLD determines the audio signal level above
which the limiter starts operating.
250 ms 50...999 ms RELEASE determines how fast the limiter returns to
normal amplification, after the audio signal level
declined the threshold.
BYPASS switches the limiter on (button is not
engaged) or off (button is engaged). This allows
quick A / B-comparison of the limited and non-
limited audio signals.
General Parameters
Element Default Range Description
dBu dBu /
Volts
This lets you select the unit for the threshold parameter. The
selected setting applies to compressor and limiter as well.
dig.
Clip
dig.
Clip,
Limi- ter
Thresh
This lets you set the absolute level for margin indication. You
can select between Digital Clip (relates to +21 dBu) and
Limiter Threshold.
The margin level indicates the distance between signal level
and the set absolute level. The displayed margin always
relates to the highest actual signal level reading.
IRIS-Net REMOTE AMPLIFIER | en 136
Bosch Security Systems B.V. User Manual 2017.05 | 3.20 | F.01U.119.956
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